13908994 has 8 divisors (see below), whose sum is σ = 22760208. Its totient is φ = 6322260.

The previous prime is 13908967. The next prime is 13909019. The reversal of 13908994 is 49980931.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×13908994² = 386920228184072, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 13908994.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 316092 + ... + 316135.

It is an arithmetic number, because the mean of its divisors is an integer number (2845026).

Almost surely, 2^13908994 is an apocalyptic number.

13908994 is a deficient number, since it is larger than the sum of its proper divisors (8851214).

13908994 is a wasteful number, since it uses less digits than its factorization.

13908994 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 632240.

The product of its (nonzero) digits is 69984, while the sum is 43.

The square root of 13908994 is about 3729.4763707523. The cubic root of 13908994 is about 240.4908588149.

The spelling of 13908994 in words is "thirteen million, nine hundred eight thousand, nine hundred ninety-four".